Fig. 5. 
Fig. 7. 
Fig. 8. 
CRUSTACEA, 311 
EXPLANATION OF THE PLATES, 
Plates 7 and 8. 
. Petrolisthes inermis Heller. Larger chelipede of a 
full-grown specimen from the Mergui Archipe- 
lago. x 2. 
. Petrolisthes Tenkatei de Man, from Endeh, Flores, 
male, x 2; 2a, front of the same specimen, x 5; 
2b the carpopodite of the left, smaller chelipede of 
another younger specimen, in which the teeth of 
the anterior margin are more distinct, x 4. 
. Petrolisthes indicus de Man, from Endeh, Flores, x 3; 
3a front of the same specimen, x 6. 
Petrolisthes barbatus Heller, male specimen from 
Endeh, Flores, x 2; 4a front of the same indi- 
vidual, x 6. 
Petrolisthes carinipes Heller, specimen from Djed- 
dah, Red Sea, x 3; 5a front of this specimen, x 6. 
Caridina timorensis de Man, Figs. 6a, 6b and 6c 
lateral view of the rostrum, of the eyes and of 
the basal part of the antennal peduncle of three 
individuals; 6d carpopodite and chela of the first 
pair of legs, 6e the same joints of the second 
pair, 6f dactylopodite of a leg of the fifth pair, 
6g an egg. All the figures are twenty five times 
magnified, with the exception of fig. 6f which is 
fifty times. 
Caridina Wyckii Hickson, var. Lateral view of the 
rostrum of a female specimen from Timor, x 6; 
76 distal end of the rostrum of this specimen , x 25. 
Palaemon (Macrobrachium) lepidactyloides de Man, 
larger chelipede of a male specimen, collected in 
the hill-streamlets of the island of Great-Bastaard. 
Notes from the Leyden Museum, Vol XV: 
